Here we see a mini pig introduction through a fence without physical contact. This type of introduction can be done over time so that the pigs are more familiar with each other before the physical introduction. When new pigs are introduced to an established herd or even in a individual pig situations, they must establish herd hierarchy. This type of behavior can be hard as owners to watch but it is very necessary behavior. Once the pigs have established who is "Top Hog" in the household, the chaos is over and they can become loving friends.
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